No More Marks On Carpet: Chair pad thickness: 0.08 inches, 3mm long teeth make it suitable for low pile carpets, office carpet protectors prevent wear and tear caused by office chair casters, also protects carpets from damage caused by sharp objects Non-Toxic Safe Material: This office carpet chair mat is made of PVC, does not contain BPA, phthalates and volatile toxins banned in children's toys and medical devices, it is safer to use, and the surface is easy to clean Non-Slip Transparent: The round chair mat is highly transparent, and the beauty of the carpet texture can be seen through the chair mat. The back of the chair mat has 3mm long teeth, so the chair mat will not slide when the chair moves smoothly Ergonomic Design: This computer chair mat is ergonomically designed to provide you with greater mobility, it is very flexible and reduces leg fatigue by taking the burden off your legs Multi-Scenario Use: The chair mat can be used as a carpet protector, computer d